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Water temperature in Dahlgren (VA) in August

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Is it warm enough to swim in Dahlgren in August? Average water temperature in Dahlgren in August is 79.7°F and therefore suitable for comfortable swimming. The warmest sea in Dahlgren in August is 85.8°F, and the coldest is 74.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Dahlgren

Changes water temperature in Dahlgren in August 2025, 2024

To get an accurate forecast for the water temperature in Dahlgren for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Dahlgren, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of August.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
August 184°F83.7°F75.6°F84°F
August 283.5°F84.7°F75°F85.1°F
August 382.4°F83.7°F75°F84.7°F
August 481.3°F83.5°F75.6°F83.8°F
August 581.3°F84.6°F76.6°F84.6°F
August 681.7°F84.2°F77.4°F84.2°F
August 780.2°F83.8°F77.7°F85.5°F
August 880.8°F83.5°F78.1°F84.6°F
August 981°F81.3°F78.1°F84.2°F
August 1080.1°F83.1°F78.3°F84.9°F
August 1180.1°F82.6°F77.9°F83.8°F
August 1282.2°F82.8°F77.4°F84.6°F
August 1382.4°F83.3°F77.2°F83.7°F
August 1481.9°F81.9°F76.6°F84.6°F
August 1581.9°F81.9°F76.5°F83.8°F
Day 2025 2024 Min Max
August 1683.1°F81.7°F76.3°F84.2°F
August 1783.1°F81.9°F76.1°F83.8°F
August 1883.8°F81.5°F75.9°F83.8°F
August 1982.9°F82.2°F75.4°F84.6°F
August 2082.2°F79.2°F75°F83.5°F
August 2181.1°F79.5°F75.2°F84°F
August 2280.6°F79.2°F75.9°F84.7°F
August 2379°F78.3°F75.7°F84°F
August 2478.8°F77.9°F75.4°F83.7°F
August 2578.6°F77.2°F74.5°F83.5°F
August 2678.8°F77.5°F74.3°F83.7°F
August 2778.8°F78.1°F75°F84.2°F
August 2877.9°F79.5°F74.7°F83.3°F
August 2977.4°F80.6°F74.3°F85.8°F
August 3076.1°F79.9°F74.3°F85.6°F
August 3176.6°F79.7°F74.3°F85.1°F
Dahlgren water temp chart in August

Average water temperature in Dahlgren in August over a decade

20162017201820192020
81.5°F79.2°F81.7°F82°F82.8°F
20212022202320242025
82.6°F82.6°F81.3°F81.3°F81.9°F

Dahlgren sea state in August

Chart comparing the height of waves in Dahlgren in August over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Dahlgren in August

Dahlgren water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in August?

Want to know where the water temperature in August is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in August. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Virginia Beach78.1°F71.8°F83.3°F
Coltons Point80.2°F75°F86°F
Drum Point80.8°F76.5°F86°F
Solomons80.8°F76.6°F86°F
Port Republic80.6°F76.3°F85.8°F
Dares Beach80.6°F76.3°F85.6°F
Chesapeake Beach80.4°F75.9°F85.3°F
Calvert Beach80.8°F76.5°F86°F
North Beach80.6°F75.9°F85.5°F
Taylors Island80.8°F76.3°F86.4°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Dahlgren is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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